Finding the Fourth Proportional to 359,049.24, 495,487.98 and 208,233.72

Step by Step Solution

1. Step 1: Write the proportion equation
   359,049.24 : 495,487.98 = 208,233.72 : x
2. Step 2: Convert to fraction form
   359,049.24/495,487.98 = 208,233.72/x
3. Step 3: Cross multiply
   359,049.24x = 495,487.98 × 208,233.72
4. Step 4: Simplify right side
   359,049.24x = 103,177,305,290.69
5. Step 5: Solve for x
   x = 103,177,305,290.69/359,049.24
6. Step 6: Final answer
   x = 287,362.55